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Thank you for the insight. I agree with your insight. You are correct in saying that it will affect signals because there is no link. And also not an SEO issue.

Hi there! Apologies for the long wait for a response! It's sort of a convoluted answer. For practical purposes, the search engines treat subdomains as their own separate domains. So, even though Blogger.com has a DA of 92, if you were to start a blog there you'd still be "starting over" when it comes to building link authority. A new blog there will notbenefit from blogger.com's existing authority. Where Open Site Explorer and the Mozscape index are concerned, though, you'll still see a DA of 92 on that new, not-yet-established blog. In the simplest terms, that's because OSE calculates _domain _authority, not subdomain authority. So, in this case, Page Authority would be the better metric by which to evaluate your new blog, as it will be specific to the home page at yourblog.blogger.com. Does that make sense?

Maybe I will leave the date as it was then... Based on minimal changes, I would do this. A minimal update doesn't need to sit in the background though. Remember to get busy and let everyone know when you update something -Andy